Device for testing communication media or channels



FIG. 1 is a top isometric view of a device for testing communication media or channels;

FIG. 2 is a front view of the device for testing communication media or channels;

FIG. 3 is a rear view of the device for testing communication media or channels;

FIG. 4 is a left side view of the device for testing communication media or channels;

FIG. 5 is a right side view of the device for testing communication media or channels;

FIG. 6 is a top view of the device for testing communication media or channels;

FIG. 7 is a bottom view of the device for testing communication media or channels; and,

FIG. 8 is a bottom isometric view of the device for testing communication media or channels.

Surface shading is included to show the character and contour of the surfaces of three dimensional aspects of the design. The features illustrated in evenly-spaced dashed lines are included for the purpose of illustrating environmental structure and form no part of the claimed design. 

We claim the ornamental design for a device for testing communication media or channels, as shown and described. 